package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Employee;
import com.itheima.reggie.service.ICategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpSession;
import java.time.LocalDateTime;
import java.util.List;

@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {
    @Autowired
    private ICategoryService categoryService;


    @PostMapping
    public R save(@RequestBody Category category, HttpSession session){
        //检查属性值
        category.setCreateTime(LocalDateTime.now());
        category.setUpdateTime(LocalDateTime.now());
        //0.4:creat_user 和update_user 创建人和修改人,应该是当前登录人
        Employee loginUser = (Employee) session.getAttribute("loginUser");
        category.setCreateUser(loginUser.getId());
        category.setUpdateUser(loginUser.getId());
        categoryService.save(category);
        return R.success("新增分类成功");
    }
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize){
        //分页构造器
        Page<Category> pageInfo = new Page<>(page,pageSize);
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加排序条件，根据sort进行排序
        queryWrapper.orderByAsc(Category::getSort);
        //分页查询
        categoryService.page(pageInfo,queryWrapper);
        return R.success(pageInfo);
    }
//    @DeleteMapping
//    public R<String> delete(Long id){
//        log.info("删除分类，id为：{}",id);
//        categoryService.removeById(id);
//        return R.success("分类信息删除成功");
//
//      }
        @DeleteMapping
        public R<String> delete(Long id){
            log.info("删除分类，id为：{}",id);

            //categoryService.removeById(id);
            categoryService.remove(id);

            return R.success("分类信息删除成功");
    }

        @PutMapping
        public R<String> update(@RequestBody Category category){
            log.info("修改分类信息：{}",category);
            categoryService.updateById(category);
            return R.success("修改分类信息成功");
    }
//        @GetMapping("/list")
//        public R<List<Category>> list(Category category){
//            //条件构造器
//            LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
//            //添加条件
//            queryWrapper.eq(category.getType() != null,Category::getType,category.getType());
//            //添加排序条件
//            queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);
//
//            List<Category> list =categoryService.list(queryWrapper);
//            return R.success(list);
//        }
        @GetMapping("/list")
        public R listCategory(Integer type){
        LambdaQueryWrapper<Category>qw = new LambdaQueryWrapper<>();
        qw.eq(type!=null,Category::getType,type);
        List<Category> list = categoryService.list(qw);
        return R.success(list);
        }

}




